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#include "emu.h"
#include "cpu/avr8/avr8.h"
#include "sound/dac.h"
#include "imagedev/cartslot.h"
// overclocked to 8 * NTSC burst frequency
#define VERBOSE_LEVEL (0)
#define ENABLE_VERBOSE_LOG (0)
#if ENABLE_VERBOSE_LOG
INLINE void verboselog(running_machine &machine, int n_level, const char *s_fmt, ...)
{
if( VERBOSE_LEVEL >= n_level )
{
va_list v;
char buf[ 32768 ];
va_start( v, s_fmt );
vsprintf( buf, s_fmt, v );
va_end( v );
logerror( "%08x: %s", machine.device("maincpu")->safe_pc(), buf );
}
}
#else
#define verboselog(x,y,z,...)
#endif
#define MASTER_CLOCK 28618180
class uzebox_state : public driver_device
{
public:
uzebox_state(const machine_config &mconfig, device_type type, const char *tag)
: driver_device(mconfig, type, tag),
m_maincpu(*this, "maincpu")
{
}
virtual void machine_start();
required_device<avr8_device> m_maincpu;
DECLARE_READ8_MEMBER(port_r);
DECLARE_WRITE8_MEMBER(port_w);
DECLARE_DRIVER_INIT(uzebox);
virtual void machine_reset();
UINT32 screen_update_uzebox(screen_device &screen, bitmap_rgb32 &bitmap, const rectangle &cliprect);
};
void uzebox_state::machine_start()
{
}
READ8_MEMBER(uzebox_state::port_r)
{
return 0;
}
WRITE8_MEMBER(uzebox_state::port_w)
{
}
/****************************************************\
* Address maps *
\****************************************************/
static ADDRESS_MAP_START( uzebox_prg_map, AS_PROGRAM, 8, uzebox_state )
AM_RANGE(0x0000, 0xffff) AM_ROM // 64 KB internal eprom ATmega644
ADDRESS_MAP_END
static ADDRESS_MAP_START( uzebox_data_map, AS_DATA, 8, uzebox_state )
AM_RANGE(0x0100, 0x10ff) AM_RAM // 4KB RAM
ADDRESS_MAP_END
static ADDRESS_MAP_START( uzebox_io_map, AS_IO, 8, uzebox_state )
AM_RANGE(0x00, 0x03) AM_READWRITE( port_r, port_w )
ADDRESS_MAP_END
/****************************************************\
* Input ports *
\****************************************************/
static INPUT_PORTS_START( uzebox )
INPUT_PORTS_END
/****************************************************\
* Video hardware *
\****************************************************/
UINT32 uzebox_state::screen_update_uzebox(screen_device &screen, bitmap_rgb32 &bitmap, const rectangle &cliprect)
{
return 0;
}
/****************************************************\
* Machine definition *
\****************************************************/
DRIVER_INIT_MEMBER(uzebox_state,uzebox)
{
}
void uzebox_state::machine_reset()
{
}
const avr8_config atmega644_config =
{
"eeprom"
};
static MACHINE_CONFIG_START( uzebox, uzebox_state )
/* basic machine hardware */
MCFG_CPU_ADD("maincpu", ATMEGA644, MASTER_CLOCK)
MCFG_CPU_AVR8_CONFIG(atmega644_config)
MCFG_CPU_PROGRAM_MAP(uzebox_prg_map)
MCFG_CPU_DATA_MAP(uzebox_data_map)
MCFG_CPU_IO_MAP(uzebox_io_map)
/* video hardware */
MCFG_SCREEN_ADD("screen", RASTER)
MCFG_SCREEN_REFRESH_RATE(60.08)
MCFG_SCREEN_VBLANK_TIME(ATTOSECONDS_IN_USEC(1395))
MCFG_SCREEN_SIZE(634, 480)
MCFG_SCREEN_VISIBLE_AREA(0, 633, 0, 479)
MCFG_SCREEN_UPDATE_DRIVER(uzebox_state, screen_update_uzebox)
MCFG_PALETTE_LENGTH(0x1000)
/* sound hardware */
MCFG_SPEAKER_STANDARD_MONO("avr8")
MCFG_SOUND_ADD("dac", DAC, 0)
MCFG_SOUND_ROUTE(0, "avr8", 1.00)
MCFG_CARTSLOT_ADD("cart1")
MCFG_CARTSLOT_MANDATORY
MCFG_CARTSLOT_INTERFACE("uzebox")
MCFG_SOFTWARE_LIST_ADD("eprom_list","uzebox")
MACHINE_CONFIG_END
ROM_START( uzebox )
ROM_REGION( 0x10000, "maincpu", 0 ) /* Main program store */
ROM_CART_LOAD("cart1", 0x0000, 0x10000, ROM_OPTIONAL)
ROM_REGION( 0x200, "eeprom", ROMREGION_ERASE00 ) /* on-die eeprom */
ROM_END
/* YEAR NAME PARENT COMPAT MACHINE INPUT INIT COMPANY FULLNAME */
CONS(2010, uzebox, 0, 0, uzebox, uzebox, uzebox_state, uzebox, "Belogic", "Uzebox", GAME_NO_SOUND | GAME_NOT_WORKING)
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